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ABSTRACT: Histological and proteotranscriptomic characterisation of byssus components in the pearl oyster, Pinctada maxima

PROVIDER: PRJNA761869 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR15827334_1.fastq.gz	Fastqsanger.gz
	SRR15827334_2.fastq.gz	Fastqsanger.gz
	SRR15827335_1.fastq.gz	Fastqsanger.gz
	SRR15827335_2.fastq.gz	Fastqsanger.gz
	SRR15827336_1.fastq.gz	Fastqsanger.gz

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Global gene expression profile for pearl oyster

Project description:This SuperSeries is composed of the following subset Series: GSE13980: Analysis of the global gene expression profile for pearl oyster, Pinctada maxima, exposed to organotin (tributyltin) GSE14303: Differential expression analysis of genes from the mantle tissue of pearl oyster: Pinctada maxima GSE14305: The microstructural, mineralogical and transcriptional developments of shell biomineralization of Pinctada maxima Refer to individual Series

2010-02-04 | E-GEOD-14306 | biostudies-arrayexpress

Proteomic characterisation of byssus components in the pearl oyster, Pinctada maxima

Project description:Many bivalve species produce groups of strong proteinaceous byssal threads to rigidly attach to underwater substrates. Fibres like these have potential applications as biomedical materials due to their unique mechanical characteristics. The byssus and byssal thread producing glands of Pinctada maxima have not yet been characterised. RNA was isolated from P. maxima foot and byssal stem region tissues and sequenced using the Illumina platform. A de novo reference transcriptome comprising 34,281 contiguous sequences was assembled, and tissue replicates were mapped against the reference for quantitative analysis. Tryptic digests of byssal threads were analysed by LC-MS/MS. The resultant peptides were matched to 62 protein sequences derived from our reference transcriptome. Components of the byssus were identified for further characterisation, including a highly expressed perlucin-like foot protein (Pmfp1) and a recently identified protein that we refer to herein as glycine-rich thread (GRT) protein. This work provides principal knowledge on the molecular components of the byssus for P. maxima and the foot ultrastructure involved in the creation of byssal threads. This study advances our knowledge of byssus biosynthesis in non-mytilids, providing a platform for the design of new marine biopolymers.

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Project description:To elucidate the modulatory participation of miRNAs in mollusk biomineralization, we have employed high-throughput sequencing to identify miRNAs of pearl oyster, Pinctada fucata. Our study focused on the miRNA expression profile of the mantle, an organ responsible for shell formation of the oyster. The pearl oysters were cultured in the tank with the maintaining conditions of temperature 19 ℃, PH 8.1 and salinity 33‰ in recirculating seawater.

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Project description:Intestinal microbial community of pearl oyster Pinctada maxima

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Pinctada maxima breed:silver-lipped pearl oyster

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Project description:In order to screen and identify biomineralization gene, microarray technique was used to reveal tissues specific expression genes in the brunet mantle edge (ME), mantle centre (MC), and both ME and MC (ME-MC) from assembled transcriptome contigs of Pinctada fucata martensii, ideal pearl oyster for the study of biomineralization. Tissues of ME, MC, hepatopancreas, foot, gill, adductor muscle, heart and intestine were sampled from two females and one male pearl oyster. Gonad was sampled from above three individuals and another two male and one female. Equal amount RNA of each individual hepatopancreas, foot, gill, adductor muscle, heart and intestine were mixed as a composite viscera sample (CV), and equal amount gonad RNA from one male and one female were combined together as a gonad sample (GS). Hybridizations were performed with twelve samples of ME, MC, CV and GS.

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Project description:The winged pearl oyster, Pteria penguin, is a widely distributed and economically important bivalve with unique and primitive byssus. The byssogensis of this species is largely unknown. Here we report the lable free quantification analysis on different tissues of P. penguin.Through the analysis, we found that the process of byssogenesis requires ATP to provide energy among the differential proteins; and seven (Tenascin-X, laminin, papilin, fibrillin-1, spondin, protease inhibitors and Mucins) of the 31 proteins identified in the byssus were derived from ECM. Functions of extracellular matrix proteins can be correlated with the formation and the nature of the byssus.

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Project description:Genome assembly of the silver-lipped pearl oyster, Pinctada maxima, 2024

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